FILE - In this April 21, 2013, file photo, Portland Thorn fans celebrate after their team scored during the first half of a National Women's Soccer League match against the Seattle Reign in Portland, Ore. The defending NWSL champion Thorns will open the season Saturday, April 12, 2014, against the expansion Houston Dash in Houston. (AP Photo/Don Ryan, File)
FILE - In this April 21, 2013, file photo, the Portland Thorns celebrate after Kathryn Williamson, third from right, scores during the first half of a National Women's Soccer League soccer game against the Seattle Reign in Portland, Ore. The defending NWSL champion Thorns will open the season Saturday, April 12, 2014, against the expansion Houston Dash in Houston. (AP Photo/Don Ryan, File)